Welcome to the Organization of Nematologists of Tropical America FL, Inc.

The Organization of Nematologists of Tropical America FL, Inc. (ONTA) is a nonprofit entity comprised of members who have an interest in the study of plant-parasitic, free-living and insect-parasitic nematodes. ONTA now has over 300 members worldwide. Membership is open to all individuals and companies that share an interest in subtropical and tropical Nematology. 


  • Nematropica – Available Online!

    ad December 2015
  • ONTA Annual Meeting 2017 and 50th Anniversary Celebration

    July 10-14, 2017 Meeting info
  • News, Jobs and Products

  • ONTA Foundation, Inc.

    ONTA Foundation, Inc.